body{
  margin: auto;
}
/* logo区域
*******************/
header{
  width: 960px;
  margin: auto;
  padding: auto;
}
header b{
  color: #1abc9c;
}
h1{
  width: 98px;
  float: left;
  margin: 0
}
.text{
  float: left;
  line-height: 3.5;
  font-size: 12px;
  color: #bdc3c7;
}
.logo{
  float: left;
  width: 60%;
}
header{
  padding: 0 5%;
  height: 80px;
  border-top: 4px solid #000;
}
header nav{
  float: left;
  width: 40%;
}
header nav ul{
  list-style: none;
}
header nav ul li{
  float: left;
  width: 20%;
  font-size: 14px;
  text-align: center;
  padding: 5px;
}
.active{
  border-radius: 2px;
  background: #1abc9c;
}
.active a{
  color : #fff;
}
nav a{
  color: #bdc3c7;
  border: 0;
  text-decoration: none;
}
.content{
  width: 960px;
  margin: auto;
}
.arctile{
  margin-top: 10px;
  background: #34495e;
}
ul{
  list-style: none;
}
li{
  float: left;
}
a{
  color: #bdc3c7;
  text-decoration: none;
}
.nav-list li{
  color: #bdc3c7;
  padding: 5px;
}
